ee7cf6c63c
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@23757 a1c6a512-1295-4272-9138-f99709370657
167 lines
6.7 KiB
C
167 lines
6.7 KiB
C
/***************************************************************************
|
|
* __________ __ ___.
|
|
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
|
|
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
|
|
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
|
|
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
|
|
* \/ \/ \/ \/ \/
|
|
* $Id$
|
|
*
|
|
* Copyright (C) 2002 by Alan Korr
|
|
* Copyright (C) 2008 by Frank Gevaerts
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version 2
|
|
* of the License, or (at your option) any later version.
|
|
*
|
|
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
|
|
* KIND, either express or implied.
|
|
*
|
|
****************************************************************************/
|
|
#ifndef __SD_H__
|
|
#define __SD_H__
|
|
|
|
#include <stdbool.h>
|
|
#include "mv.h" /* for HAVE_MULTIDRIVE or not */
|
|
|
|
#define SD_BLOCK_SIZE 512 /* XXX : support other sizes ? */
|
|
|
|
struct storage_info;
|
|
|
|
void sd_enable(bool on);
|
|
void sd_spindown(int seconds);
|
|
void sd_sleep(void);
|
|
void sd_sleepnow(void);
|
|
bool sd_disk_is_active(void);
|
|
int sd_soft_reset(void);
|
|
int sd_init(void);
|
|
void sd_close(void);
|
|
int sd_read_sectors(IF_MD2(int drive,) unsigned long start, int count, void* buf);
|
|
int sd_write_sectors(IF_MD2(int drive,) unsigned long start, int count, const void* buf);
|
|
void sd_spin(void);
|
|
int sd_spinup_time(void); /* ticks */
|
|
|
|
#ifdef STORAGE_GET_INFO
|
|
void sd_get_info(IF_MD2(int drive,) struct storage_info *info);
|
|
#endif
|
|
#ifdef HAVE_HOTSWAP
|
|
bool sd_removable(IF_MV_NONVOID(int drive));
|
|
bool sd_present(IF_MV_NONVOID(int drive));
|
|
void card_enable_monitoring_target(bool on);
|
|
#endif
|
|
|
|
long sd_last_disk_activity(void);
|
|
|
|
#ifdef CONFIG_STORAGE_MULTI
|
|
int sd_num_drives(int first_drive);
|
|
#endif
|
|
|
|
|
|
/* SD States */
|
|
#define SD_IDLE 0
|
|
#define SD_READY 1
|
|
#define SD_IDENT 2
|
|
#define SD_STBY 3
|
|
#define SD_TRAN 4
|
|
#define SD_DATA 5
|
|
#define SD_RCV 6
|
|
#define SD_PRG 7
|
|
#define SD_DIS 8
|
|
|
|
/* SD Commands */
|
|
#define SD_GO_IDLE_STATE 0
|
|
#define SD_ALL_SEND_CID 2
|
|
#define SD_SEND_RELATIVE_ADDR 3
|
|
#define SD_SET_DSR 4
|
|
#define SD_SWITCH_FUNC 6
|
|
#define SD_SET_BUS_WIDTH 6 /* acmd6 */
|
|
#define SD_SELECT_CARD 7 /* with card's rca */
|
|
#define SD_DESELECT_CARD 7 /* with rca = 0 */
|
|
#define SD_SEND_IF_COND 8
|
|
#define SD_SEND_CSD 9
|
|
#define SD_SEND_CID 10
|
|
#define SD_STOP_TRANSMISSION 12
|
|
#define SD_SEND_STATUS 13
|
|
#define SD_SD_STATUS 13 /* acmd13 */
|
|
#define SD_GO_INACTIVE_STATE 15
|
|
#define SD_SET_BLOCKLEN 16
|
|
#define SD_READ_SINGLE_BLOCK 17
|
|
#define SD_READ_MULTIPLE_BLOCK 18
|
|
#define SD_SEND_NUM_WR_BLOCKS 22 /* acmd22 */
|
|
#define SD_SET_WR_BLK_ERASE_COUNT 23 /* acmd23 */
|
|
#define SD_WRITE_BLOCK 24
|
|
#define SD_WRITE_MULTIPLE_BLOCK 25
|
|
#define SD_PROGRAM_CSD 27
|
|
#define SD_ERASE_WR_BLK_START 32
|
|
#define SD_ERASE_WR_BLK_END 33
|
|
#define SD_ERASE 38
|
|
#define SD_APP_OP_COND 41 /* acmd41 */
|
|
#define SD_LOCK_UNLOCK 42
|
|
#define SD_SET_CLR_CARD_DETECT 42 /* acmd42 */
|
|
#define SD_SEND_SCR 51 /* acmd51 */
|
|
#define SD_APP_CMD 55
|
|
|
|
/*
|
|
SD/MMC status in R1, for native mode (SPI bits are different)
|
|
Type
|
|
e : error bit
|
|
s : status bit
|
|
r : detected and set for the actual command response
|
|
x : detected and set during command execution. the host must poll
|
|
the card by sending status command in order to read these bits.
|
|
Clear condition
|
|
a : according to the card state
|
|
b : always related to the previous command. Reception of
|
|
a valid command will clear it (with a delay of one command)
|
|
c : clear by read
|
|
*/
|
|
|
|
#define SD_R1_OUT_OF_RANGE (1 << 31) /* erx, c */
|
|
#define SD_R1_ADDRESS_ERROR (1 << 30) /* erx, c */
|
|
#define SD_R1_BLOCK_LEN_ERROR (1 << 29) /* erx, c */
|
|
#define SD_R1_ERASE_SEQ_ERROR (1 << 28) /* er, c */
|
|
#define SD_R1_ERASE_PARAM (1 << 27) /* exx, c */
|
|
#define SD_R1_WP_VIOLATION (1 << 26) /* erx, c */
|
|
#define SD_R1_CARD_IS_LOCKED (1 << 25) /* sx, a */
|
|
#define SD_R1_LOCK_UNLOCK_FAILED (1 << 24) /* erx, c */
|
|
#define SD_R1_COM_CRC_ERROR (1 << 23) /* er, b */
|
|
#define SD_R1_ILLEGAL_COMMAND (1 << 22) /* er, b */
|
|
#define SD_R1_CARD_ECC_FAILED (1 << 21) /* erx, c */
|
|
#define SD_R1_CC_ERROR (1 << 20) /* erx, c */
|
|
#define SD_R1_ERROR (1 << 19) /* erx, c */
|
|
#define SD_R1_UNDERRUN (1 << 18) /* ex, c */
|
|
#define SD_R1_OVERRUN (1 << 17) /* ex, c */
|
|
#define SD_R1_CSD_OVERWRITE (1 << 16) /* erx, c */
|
|
#define SD_R1_WP_ERASE_SKIP (1 << 15) /* erx, c */
|
|
#define SD_R1_CARD_ECC_DISABLED (1 << 14) /* sx, a */
|
|
#define SD_R1_ERASE_RESET (1 << 13) /* sr, c */
|
|
#define SD_R1_STATUS(x) (x & 0xFFFFE000)
|
|
#define SD_R1_CURRENT_STATE(x) ((x & 0x00001E00) >> 9) /* sx, b (4 bits) */
|
|
#define SD_R1_READY_FOR_DATA (1 << 8) /* sx, a */
|
|
#define SD_R1_APP_CMD (1 << 5) /* sr, c */
|
|
#define SD_R1_AKE_SEQ_ERROR (1 << 3) /* er, c */
|
|
|
|
/* SD OCR bits */
|
|
#define SD_OCR_CARD_CAPACITY_STATUS (1 << 30) /* Card Capacity Status */
|
|
|
|
/* All R1 Response flags that indicate Card error(vs MCI Controller error) */
|
|
#define SD_R1_CARD_ERROR ( SD_R1_OUT_OF_RANGE \
|
|
| SD_R1_ADDRESS_ERROR \
|
|
| SD_R1_BLOCK_LEN_ERROR \
|
|
| SD_R1_ERASE_SEQ_ERROR \
|
|
| SD_R1_ERASE_PARAM \
|
|
| SD_R1_WP_VIOLATION \
|
|
| SD_R1_LOCK_UNLOCK_FAILED \
|
|
| SD_R1_COM_CRC_ERROR \
|
|
| SD_R1_ILLEGAL_COMMAND \
|
|
| SD_R1_CARD_ECC_FAILED \
|
|
| SD_R1_CC_ERROR \
|
|
| SD_R1_ERROR \
|
|
| SD_R1_UNDERRUN \
|
|
| SD_R1_CSD_OVERWRITE \
|
|
| SD_R1_WP_ERASE_SKIP \
|
|
| SD_R1_AKE_SEQ_ERROR)
|
|
|
|
|
|
#endif
|